Echdynnu Haearn
Authored by E Evans
Chemistry
6th - 10th Grade
Used 55+ times
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11 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pa ddeunydd crai sy'n tynnu'r amhureddau?
golosg
aer poeth
calchfaen
mwyn haearn
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pa ddeunydd crai sy'n ffynhonell o garbon?
golosg
aer poeth
calchfaen
mwyn haearn
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pa ddeunydd crai sy'n ffynhonell o haearn?
golosg
aer poeth
calchfaen
mwyn haearn
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pa ddeunydd crai sy'n galluogi llosgi'r golosg?
golosg
aer poeth
calchfaen
mwyn haearn
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Nodwch y cynhyrchion sy'n dod o'r ffwrnais chwyth
Calchfaen
Slag
Haearn
Golosg
Ocsigen
6.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
Caiff llawer o'r haearn ei newid i mewn i ddur sy'n (a) haearn.
7.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
(a) + O2 --> CO2
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